#danglam228

n = int(input())

check = False

for k in range(1, n // 2 + 1):
    res = 0
    i = k
    while res < n:
        res += i
        if res == n:
            check = True
            for j in range(k, i + 1):
                print(j, end=" ")
            print()
        i += 1

if not check:
    print(-1)

n = int(input())
kt = True
for a in range(1, n // 2 + 1):
    tlt = 0
    i = a
    while i < n:
        tlt += i
        if (tlt == n):
            kt = False
            for b in range(a, i + 1):
                print(b, end = " ")
            print()
        i += 1
if kt:
    print(-1)

$#khantaon$